package com.xpp.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
@Slf4j
public class FlowLimitController {
    @GetMapping("/testA")
    public String testA() {
        try {
            Thread.sleep(800);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "------testA";
    }

    @GetMapping("/testB")
    public String testB() {
        log.info(Thread.currentThread().getName() + "\t" + "...testB");
        return "------testB";
    }

    @GetMapping("/testD")
    public String testD() {
        int a=10/0;
        return ".....................testD";
    }
    @GetMapping("/testHotKey")
    @SentinelResource(value = "testHotKey",blockHandler/*兜底方法*/= "deal_testHotKey")
    public String testHotKey(
            @RequestParam(value = "p1",required = false) String p1,
                             @RequestParam(value = "p2",required = false) String p2
    ) {
        //int age = 10/0;
        return "------testHotKey";
    }

    /*兜底方法*/
    public String deal_testHotKey (String p1, String p2, BlockException exception) {
        return "------deal_testHotKey,o(╥﹏╥)o";  //sentinel系统默认的提示：Blocked by Sentinel (flow limiting)
    }
}
